Madridge
Journal of Dermatology & Research

ISSN: 2639-0353

Collaboration

Case Report

SJS/TEN Overlap Syndrome Associated with Eribulin Chemotherapy

Timothy H Almazan and Jae Yeon Jung*

Division of Dermatology, City of Hope Comprehensive Cancer Center, USA

*Corresponding author: Jae Yeon Jung, Division of Dermatology, City of Hope Comprehensive Cancer Center, 1500 East Duarte Road, Duarte, CA 91010, USA, Tel: 626-256-4673, ext: 65621, E-mail: jjung@coh.org

Received: August 5, 2016 Accepted: October 4, 2016 Published: October 7, 2016

Citation: Almazan TH, Jung JY. SJS/TEN Overlap Syndrome Associated with Eribulin Chemotherapy. Madridge J Dermatol Res. 2016; 1(1): 8-10. doi: 10.18689/mjdr-1000102

Copyright: © 2016 The Author(s). This work is licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Introduction

Eribulinmesylate is an antineoplastic, non-taxane microtubule inhibitor with emerging use as monotherapy in patients with advanced breast cancer refractory to anthracycline or taxanebased chemotherapies. Here, we present an overlap of Steven's Johnson syndrome and toxic epidermal necrolysis (SJS/TEN) that occurred secondary to eribulin administration.

Case

A woman in her 50s with a history of ER positive, PR positive, HER2 negative breast cancer complicated by liver and bony metastases presented to the City of Hope Medical Center for continued care. The patient's disease was refractory to hormonal therapy (letrozole, exemestane), as well as capecitabine and taxol. She was then switched to eribulin monotherapy. The patient received three cycles of intravenous eribulin, spaced one month apart. Dosing of the first two cycles was 1.12 mg/m2 and the third cycle was dose-reduced at 0.84 mg/m2.

Approximately one and a half months after initial eribulin administration, the patient noticed the appearance of a morbilliform rash involving her trunk and thighs. Review of systems was significant for intermittent fevers ranging from 37.8-38.0°C. She denied any other infectious symptoms including cough, night sweats, diarrhea, or dysuria.

Upon hospital presentation, she was noted to be febrile at 38.3°C with a heart rate of 117 beats/min. Physical exam was significant for an erythematous, morbilliform rash with confluent papules and plaques on the trunk, back, and thighs, with sparing of the palms and soles. The rash involved approximately 60% of the body surface area. Mucosal involvement was observed in the mouth, but not the conjunctiva or anal region. Skin was exquisitely tender and pruritic. The Nikolsky's sign was negative. Labs were notable for elevated AST and ALT (similar to the patient's baseline, and attributed to known hepatic metastases), pancytopenia, and hypoalbuminemia. A punch biopsy of the left arm was obtained and revealed morphologic features of an erythema multiforme-like hypersensitivity reaction.

Concomitant medications were extensively reviewed. The patient had been taking a stable regimen of famotidine, metoclopramide, mirtazapine, furosemide, spironolactone, lorazepam, and oxycodone. There was no administration of antibiotics prior to the rash.

Based on a history of recent chemotherapy administration, morphology of the rash, results of her punch biopsy, and a negative infectious work-up, the patient's clinical presentation was thought to represent a drug-induced rash from eribulin. No further eribulin was administered. The patient receive dempiric antibiotic coverage with cefepime, vancomycin, and meropenemupon admission to the hospital, but did not demonstrate any improvement. Antibiotics were stopped, and she was initiated onhigh dose oral prednisone and completed 4 days of intravenous immunoglobulin (IVIG) therapy. She was continued on a prednisone taper as an outpatient. On a follow-up clinic visit one month postdischarge, the patient's rash had resolved completely. Occasional hyperpigmented patches had remained on the trunk.


Discussion

Eribulin is a microtubule-destabilization agent that induces mitotic arrest and apoptosis in cancer cells. Similar to other tubulin-targeting drugs (such as paclitaxel and vinblastine), neuropathy is a frequent adverse symptom associated with eribulin [1]. Cutaneous manifestations from eribulin have not been commonly reported, and no prior case reports have described its possible association with SJS/TEN. In a phase I trial of eribulin, the most common eribulin-related adverse events included fatigue (present in 53% of patients), nausea (41%), and anorexia (38%). Eribulin-related grade 3 and 4 toxicities were noted and were comprised of neutropenia (19%), fatigue (13%), anorexia (3%), anemia (3%) and vomiting (3%) [11].

Eribulin was shown in a phase III study to improve overall survival in heavily pre-treated patients with metastatic breast cancer. In this study, grade 3 or 4 neutropenia was experienced by 45 percent of patients receiving the drug. Palmar-plantar erythrodysaesthesia was noted in 1% of patients, and no reports of Steven's Johnson syndrome or toxic epidermal necrolysis were reported [2]. In a small group of patients (n=6) receiving concomitant eribulin and cyclophosphamide for refractory breast cancer, 33% reported an unspecified rash [3].

SJS/TEN is characterized by a severe, potentially life-threatening mucocutaneous reaction resulting in necrosis and detachment of the epidermis. Drug hypersensitivity reactions are putative causes in over 80% of cases. The most common drugs or drug classes associated with SJS/TEN include aromatic anticonvulsants, antibacterial sulfonamides, allopurinol, lamotrigine, nevirapine, and oxicam NSAIDs [4,5]. Other causative agents include infection with Mycoplasma pneumonia and dengue virus, cytomegalo virus reactivation, and administration of contrast medium [6]. Chemotherapy regimens have not been classically associated with SJS/TEN, but have been described in rare case reports. For example, 3 cases of SJS/TEN have been reported in association with cetuximab in a head and neck cancer patient [7].

The mortality rate from SJS/TEN is nearly 4 times as high in patients with malignancies compared to patients without [8]. Additionally, patients who received recent or ongoing chemotherapy hadan increased mortality from SJS/TEN. Other risk factors for developing SJS/TEN include a history of HIV or systemic lupus erythematosus [9].

The typical timing of SJS/TEN presentation after a causative drug administration is wide and may range between 7 days and 8 weeks (mean time of onset ranging from 6 days to 2 weeks). This is consistent with our patient's presentation of her rash, which occurred one and a half months after initial drug administration. In contrast, TEN may develop within a few hours if an implicated drug is re-administered [10]. SJS/ TEN typically results in symmetric confluent macules, extensive blisters, erosions, and denudation of the epidermis in sheets. In TEN, necrosis of the conjunctiva, trachea, bronchi, gut, and kidneys may be observed [10].

On the differential diagnosis, we considered bullous erythema mutiforme, though this was less likely given the patient's prominent mucosal involvement. Drug reaction with eosinophils and systemic symptoms (DRESS) was considered, but also less likely given a lack of systemic symptoms or organ insufficiency.

Conclusion

SJS/TEN is a life-threatening mucocutaneous reaction that typically is not associated with chemotherapy regimens. We present a case of SJS/TEN where the drug eribulin was felt to be causative. Despite high mortality of TEN (30%), our patient was able recover successfully, likely due to prompt recognition of the SJS/TEN syndrome, discontinuation of the causative drug, and prompt treatment with high dose steroids and IVIG. SJS/TEN should be considered in any patient presenting with an extensive, desquamative rash that recently received eribulin chemotherapy.

References

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